package com.sysfrog.cucumber.lexer;

/*
* Copyright (C) 2010 Thomas Heggelund
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
*/

import com.intellij.lexer.FlexLexer;
import com.intellij.psi.tree.IElementType;
import static com.sysfrog.cucumber.lexer.CucumberTokenTypesNew.*;

public class _CucumberLexer implements FlexLexer {
  /** initial size of the lookahead buffer */
  private static final int ZZ_BUFFERSIZE = 16384;

  /** lexical states */
  public static final int YYINITIAL = 0;

  /**
   * ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l
   * ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l
   *                  at the beginning of a line
   * l is of the form l = 2*k, k a non negative integer
   */
  private static final int ZZ_LEXSTATE[] = {
     0, 0
  };

  /**
   * Translates characters to character classes
   */
  private static final String ZZ_CMAP_PACKED =
    "\11\0\1\7\1\2\1\0\1\7\1\1\22\0\1\3\1\6\1\30"+
    "\1\4\3\6\3\0\2\6\1\0\3\6\12\11\1\45\5\6\1\10"+
    "\1\35\4\6\1\31\1\41\1\6\1\32\5\6\1\33\3\6\1\37"+
    "\1\44\2\6\1\36\3\6\1\0\1\12\1\0\2\6\1\0\1\22"+
    "\1\25\1\23\1\34\1\14\2\6\1\43\1\17\2\6\1\16\1\6"+
    "\1\13\1\40\1\21\1\6\1\26\1\20\1\24\1\27\1\42\1\15"+
    "\3\6\1\0\1\5\uff83\0";

  /**
   * Translates characters to character classes
   */
  private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED);

  /**
   * Translates DFA states to action switch labels.
   */
  private static final int [] ZZ_ACTION = zzUnpackAction();

  private static final String ZZ_ACTION_PACKED_0 =
    "\1\1\1\2\2\3\1\4\1\5\1\6\1\1\1\4"+
    "\1\7\1\10\1\11\1\12\1\1\1\11\7\1\1\13"+
    "\1\0\1\5\1\6\1\5\1\1\1\0\1\14\1\0"+
    "\1\7\2\12\1\1\1\15\2\1\1\16\1\17\5\1"+
    "\5\20\1\14\3\1\1\21\5\1\4\5\3\1\1\22"+
    "\1\23\2\1\1\24\3\5\1\1\1\25\2\1\1\26"+
    "\3\5\3\1\2\5\1\27\1\30\1\1\1\31";

  private static int [] zzUnpackAction() {
    int [] result = new int[92];
    int offset = 0;
    offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result);
    return result;
  }

  private static int zzUnpackAction(String packed, int offset, int [] result) {
    int i = 0;       /* index in packed string  */
    int j = offset;  /* index in unpacked array */
    int l = packed.length();
    while (i < l) {
      int count = packed.charAt(i++);
      int value = packed.charAt(i++);
      do result[j++] = value; while (--count > 0);
    }
    return j;
  }


  /**
   * Translates a state to a row index in the transition table
   */
  private static final int [] ZZ_ROWMAP = zzUnpackRowMap();

  private static final String ZZ_ROWMAP_PACKED_0 =
    "\0\0\0\46\0\114\0\46\0\162\0\230\0\276\0\344"+
    "\0\u010a\0\u0130\0\344\0\344\0\u0156\0\u017c\0\u01a2\0\u01c8"+
    "\0\u01ee\0\u0214\0\u023a\0\u0260\0\u0286\0\u02ac\0\46\0\162"+
    "\0\u02d2\0\46\0\u02f8\0\276\0\u031e\0\276\0\u010a\0\u0344"+
    "\0\u036a\0\46\0\u0390\0\344\0\u03b6\0\u03dc\0\u0402\0\344"+
    "\0\u0428\0\u044e\0\u0474\0\u049a\0\u04c0\0\u02d2\0\u04e6\0\u050c"+
    "\0\u0532\0\u0558\0\46\0\u057e\0\u05a4\0\u05ca\0\344\0\u05f0"+
    "\0\u0616\0\u063c\0\u0662\0\u0688\0\u06ae\0\u06d4\0\u06fa\0\u0720"+
    "\0\u0746\0\u076c\0\u0792\0\344\0\344\0\u07b8\0\u07de\0\344"+
    "\0\u0804\0\u082a\0\u0850\0\u0876\0\344\0\u089c\0\u08c2\0\344"+
    "\0\u08e8\0\u090e\0\u0934\0\u095a\0\u0980\0\u09a6\0\u09cc\0\u09f2"+
    "\0\344\0\344\0\u0a18\0\344";

  private static int [] zzUnpackRowMap() {
    int [] result = new int[92];
    int offset = 0;
    offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result);
    return result;
  }

  private static int zzUnpackRowMap(String packed, int offset, int [] result) {
    int i = 0;  /* index in packed string  */
    int j = offset;  /* index in unpacked array */
    int l = packed.length();
    while (i < l) {
      int high = packed.charAt(i++) << 16;
      result[j++] = high | packed.charAt(i++);
    }
    return j;
  }

  /**
   * The transition table of the DFA
   */
  private static final int [] ZZ_TRANS = zzUnpackTrans();

  private static final String ZZ_TRANS_PACKED_0 =
    "\1\2\1\3\1\4\1\5\1\6\1\7\1\10\1\11"+
    "\1\12\1\13\1\2\4\10\1\14\10\10\1\15\1\16"+
    "\1\17\1\20\1\10\1\21\1\22\1\23\1\24\1\25"+
    "\2\10\1\26\1\27\50\0\1\4\46\0\1\30\1\31"+
    "\1\32\1\0\1\30\36\0\1\31\2\0\7\31\1\33"+
    "\33\31\4\0\3\34\1\0\2\34\1\0\15\34\1\0"+
    "\14\34\4\0\1\35\1\10\1\36\1\10\1\35\2\10"+
    "\1\0\15\10\1\0\14\10\4\0\1\30\1\31\1\32"+
    "\1\0\1\37\1\40\40\0\1\35\1\12\1\40\1\12"+
    "\1\35\2\12\1\0\15\12\1\0\14\12\1\0\12\15"+
    "\1\41\15\15\1\42\15\15\3\0\1\35\1\10\1\36"+
    "\1\10\1\35\2\10\1\0\1\10\1\43\13\10\1\0"+
    "\14\10\4\0\1\35\1\10\1\36\1\10\1\35\2\10"+
    "\1\0\1\44\14\10\1\0\14\10\4\0\1\35\1\10"+
    "\1\36\1\10\1\35\2\10\1\0\13\10\1\45\1\46"+
    "\1\0\14\10\4\0\1\35\1\10\1\36\1\10\1\35"+
    "\2\10\1\0\1\47\4\10\1\50\7\10\1\0\14\10"+
    "\4\0\1\35\1\10\1\36\1\10\1\35\2\10\1\0"+
    "\7\10\1\51\5\10\1\0\12\10\1\52\1\10\4\0"+
    "\1\35\1\10\1\36\1\10\1\35\2\10\1\0\10\10"+
    "\1\53\4\10\1\0\14\10\4\0\1\35\1\10\1\36"+
    "\1\10\1\35\2\10\1\0\13\10\1\45\1\10\1\0"+
    "\14\10\4\0\1\35\1\10\1\36\1\10\1\35\2\10"+
    "\1\0\4\10\1\54\10\10\1\0\14\10\4\0\1\35"+
    "\1\10\1\36\1\10\1\35\2\10\1\0\15\10\1\0"+
    "\12\10\1\55\1\10\1\0\1\31\2\0\44\31\2\0"+
    "\1\31\3\56\1\31\2\56\1\31\1\57\4\56\1\60"+
    "\3\56\1\61\1\56\1\62\16\56\1\31\3\0\1\35"+
    "\1\0\1\63\1\0\1\35\42\0\3\40\1\0\2\40"+
    "\1\0\15\40\1\0\14\40\1\0\1\15\2\0\43\15"+
    "\3\0\1\35\1\10\1\36\1\10\1\35\2\10\1\0"+
    "\7\10\1\64\5\10\1\0\14\10\4\0\1\35\1\10"+
    "\1\36\1\10\1\35\2\10\1\0\15\10\1\0\3\10"+
    "\1\65\10\10\4\0\1\35\1\10\1\36\1\10\1\35"+
    "\2\10\1\0\11\10\1\66\3\10\1\0\14\10\4\0"+
    "\1\35\1\10\1\36\1\10\1\35\2\10\1\0\15\10"+
    "\1\0\3\10\1\67\10\10\4\0\1\35\1\10\1\36"+
    "\1\10\1\35\2\10\1\0\1\70\14\10\1\0\14\10"+
    "\4\0\1\35\1\10\1\36\1\10\1\35\2\10\1\0"+
    "\1\10\1\71\13\10\1\0\14\10\4\0\1\35\1\10"+
    "\1\36\1\10\1\35\2\10\1\0\1\10\1\72\13\10"+
    "\1\0\14\10\4\0\1\35\1\10\1\36\1\10\1\35"+
    "\2\10\1\0\15\10\1\0\11\10\1\73\2\10\4\0"+
    "\1\35\1\10\1\36\1\10\1\35\2\10\1\0\1\10"+
    "\1\74\13\10\1\0\14\10\1\0\1\31\2\0\11\31"+
    "\1\75\32\31\2\0\16\31\1\76\25\31\2\0\17\31"+
    "\1\77\24\31\2\0\11\31\1\100\31\31\3\0\1\35"+
    "\1\10\1\36\1\10\1\35\2\10\1\0\11\10\1\101"+
    "\3\10\1\0\14\10\4\0\1\35\1\10\1\36\1\10"+
    "\1\35\2\10\1\0\1\10\1\102\13\10\1\0\14\10"+
    "\4\0\1\35\1\10\1\36\1\10\1\35\2\10\1\0"+
    "\3\10\1\103\11\10\1\0\14\10\4\0\1\35\1\10"+
    "\1\36\1\10\1\35\2\10\1\0\11\10\1\104\3\10"+
    "\1\0\14\10\4\0\1\35\1\10\1\36\1\10\1\35"+
    "\2\10\1\0\1\105\14\10\1\0\14\10\4\0\1\35"+
    "\1\10\1\36\1\10\1\35\2\10\1\0\1\106\14\10"+
    "\1\0\14\10\4\0\1\35\1\10\1\36\1\10\1\35"+
    "\2\10\1\0\1\10\1\107\13\10\1\0\14\10\4\0"+
    "\1\35\1\10\1\36\1\10\1\35\2\10\1\0\1\110"+
    "\14\10\1\0\14\10\1\0\1\31\2\0\12\31\1\111"+
    "\31\31\2\0\17\31\1\112\24\31\2\0\22\31\1\56"+
    "\21\31\2\0\21\31\1\113\21\31\3\0\1\35\1\10"+
    "\1\36\1\10\1\35\2\10\1\0\14\10\1\114\1\0"+
    "\14\10\4\0\1\35\1\10\1\36\1\10\1\35\2\10"+
    "\1\0\13\10\1\115\1\10\1\0\14\10\4\0\1\35"+
    "\1\10\1\36\1\10\1\35\2\10\1\0\4\10\1\116"+
    "\10\10\1\0\14\10\4\0\1\35\1\10\1\36\1\10"+
    "\1\35\2\10\1\0\7\10\1\117\5\10\1\0\14\10"+
    "\4\0\1\35\1\10\1\36\1\10\1\35\2\10\1\0"+
    "\1\120\14\10\1\0\14\10\1\0\1\31\2\0\13\31"+
    "\1\121\30\31\2\0\20\31\1\122\23\31\2\0\24\31"+
    "\1\123\16\31\3\0\1\35\1\10\1\36\1\10\1\35"+
    "\2\10\1\0\13\10\1\124\1\10\1\0\14\10\4\0"+
    "\1\35\1\10\1\36\1\10\1\35\2\10\1\0\1\125"+
    "\14\10\1\0\14\10\4\0\1\35\1\10\1\36\1\10"+
    "\1\35\2\10\1\0\13\10\1\126\1\10\1\0\14\10"+
    "\1\0\1\31\2\0\14\31\1\127\27\31\2\0\11\31"+
    "\1\56\32\31\2\0\23\31\1\130\17\31\3\0\1\35"+
    "\1\10\1\36\1\10\1\35\2\10\1\0\1\10\1\131"+
    "\13\10\1\0\14\10\4\0\1\35\1\10\1\36\1\10"+
    "\1\35\2\10\1\0\1\10\1\132\13\10\1\0\14\10"+
    "\4\0\1\35\1\10\1\36\1\10\1\35\2\10\1\0"+
    "\4\10\1\133\10\10\1\0\14\10\1\0\1\31\2\0"+
    "\10\31\1\122\33\31\2\0\10\31\1\56\32\31\3\0"+
    "\1\35\1\10\1\36\1\10\1\35\2\10\1\0\15\10"+
    "\1\0\7\10\1\134\4\10\1\0";

  private static int [] zzUnpackTrans() {
    int [] result = new int[2622];
    int offset = 0;
    offset = zzUnpackTrans(ZZ_TRANS_PACKED_0, offset, result);
    return result;
  }

  private static int zzUnpackTrans(String packed, int offset, int [] result) {
    int i = 0;       /* index in packed string  */
    int j = offset;  /* index in unpacked array */
    int l = packed.length();
    while (i < l) {
      int count = packed.charAt(i++);
      int value = packed.charAt(i++);
      value--;
      do result[j++] = value; while (--count > 0);
    }
    return j;
  }


  /* error codes */
  private static final int ZZ_UNKNOWN_ERROR = 0;
  private static final int ZZ_NO_MATCH = 1;
  private static final int ZZ_PUSHBACK_2BIG = 2;
  private static final char[] EMPTY_BUFFER = new char[0];
  private static final int YYEOF = -1;
  private static java.io.Reader zzReader = null; // Fake

  /* error messages for the codes above */
  private static final String ZZ_ERROR_MSG[] = {
    "Unkown internal scanner error",
    "Error: could not match input",
    "Error: pushback value was too large"
  };

  /**
   * ZZ_ATTRIBUTE[aState] contains the attributes of state <code>aState</code>
   */
  private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();

  private static final String ZZ_ATTRIBUTE_PACKED_0 =
    "\1\1\1\11\1\1\1\11\22\1\1\11\1\0\1\1"+
    "\1\11\2\1\1\0\1\1\1\0\2\1\1\11\20\1"+
    "\1\11\51\1";

  private static int [] zzUnpackAttribute() {
    int [] result = new int[92];
    int offset = 0;
    offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result);
    return result;
  }

  private static int zzUnpackAttribute(String packed, int offset, int [] result) {
    int i = 0;       /* index in packed string  */
    int j = offset;  /* index in unpacked array */
    int l = packed.length();
    while (i < l) {
      int count = packed.charAt(i++);
      int value = packed.charAt(i++);
      do result[j++] = value; while (--count > 0);
    }
    return j;
  }

  /** the current state of the DFA */
  private int zzState;

  /** the current lexical state */
  private int zzLexicalState = YYINITIAL;

  /** this buffer contains the current text to be matched and is
      the source of the yytext() string */
  private CharSequence zzBuffer = "";

  /** this buffer may contains the current text array to be matched when it is cheap to acquire it */
  private char[] zzBufferArray;

  /** the textposition at the last accepting state */
  private int zzMarkedPos;

  /** the textposition at the last state to be included in yytext */
  private int zzPushbackPos;

  /** the current text position in the buffer */
  private int zzCurrentPos;

  /** startRead marks the beginning of the yytext() string in the buffer */
  private int zzStartRead;

  /** endRead marks the last character in the buffer, that has been read
      from input */
  private int zzEndRead;

  /**
   * zzAtBOL == true <=> the scanner is currently at the beginning of a line
   */
  private boolean zzAtBOL = true;

  /** zzAtEOF == true <=> the scanner is at the EOF */
  private boolean zzAtEOF;

  /* user code: */
    StringBuffer string = new StringBuffer();


  public _CucumberLexer(java.io.Reader in) {
    this.zzReader = in;
  }

  /**
   * Creates a new scanner.
   * There is also java.io.Reader version of this constructor.
   *
   * @param   in  the java.io.Inputstream to read input from.
   */
  public _CucumberLexer(java.io.InputStream in) {
    this(new java.io.InputStreamReader(in));
  }

  /**
   * Unpacks the compressed character translation table.
   *
   * @param packed   the packed character translation table
   * @return         the unpacked character translation table
   */
  private static char [] zzUnpackCMap(String packed) {
    char [] map = new char[0x10000];
    int i = 0;  /* index in packed string  */
    int j = 0;  /* index in unpacked array */
    while (i < 128) {
      int  count = packed.charAt(i++);
      char value = packed.charAt(i++);
      do map[j++] = value; while (--count > 0);
    }
    return map;
  }

  public final int getTokenStart(){
    return zzStartRead;
  }

  public final int getTokenEnd(){
    return getTokenStart() + yylength();
  }

  public void reset(CharSequence buffer, int start, int end,int initialState){
    zzBuffer = buffer;
    zzBufferArray = com.intellij.util.text.CharArrayUtil.fromSequenceWithoutCopying(buffer);
    zzCurrentPos = zzMarkedPos = zzStartRead = start;
    zzPushbackPos = 0;
    zzAtEOF  = false;
    zzAtBOL = true;
    zzEndRead = end;
    yybegin(initialState);
  }

  // For Demetra compatibility
  public void reset(CharSequence buffer, int initialState){
    zzBuffer = buffer;
    zzBufferArray = null;
    zzCurrentPos = zzMarkedPos = zzStartRead = 0;
    zzPushbackPos = 0;
    zzAtEOF = false;
    zzAtBOL = true;
    zzEndRead = buffer.length();
    yybegin(initialState);
  }

  /**
   * Refills the input buffer.
   *
   * @return      <code>false</code>, iff there was new input.
   *
   * @exception   java.io.IOException  if any I/O-Error occurs
   */
  private boolean zzRefill() throws java.io.IOException {
    return true;
  }


  /**
   * Returns the current lexical state.
   */
  public final int yystate() {
    return zzLexicalState;
  }


  /**
   * Enters a new lexical state
   *
   * @param newState the new lexical state
   */
  public final void yybegin(int newState) {
    zzLexicalState = newState;
  }


  /**
   * Returns the text matched by the current regular expression.
   */
  public final CharSequence yytext() {
    return zzBuffer.subSequence(zzStartRead, zzMarkedPos);
  }


  /**
   * Returns the character at position <tt>pos</tt> from the
   * matched text.
   *
   * It is equivalent to yytext().charAt(pos), but faster
   *
   * @param pos the position of the character to fetch.
   *            A value from 0 to yylength()-1.
   *
   * @return the character at position pos
   */
  public final char yycharat(int pos) {
    return zzBufferArray != null ? zzBufferArray[zzStartRead+pos]:zzBuffer.charAt(zzStartRead+pos);
  }


  /**
   * Returns the length of the matched text region.
   */
  public final int yylength() {
    return zzMarkedPos-zzStartRead;
  }


  /**
   * Reports an error that occured while scanning.
   *
   * In a wellformed scanner (no or only correct usage of
   * yypushback(int) and a match-all fallback rule) this method
   * will only be called with things that "Can't Possibly Happen".
   * If this method is called, something is seriously wrong
   * (e.g. a JFlex bug producing a faulty scanner etc.).
   *
   * Usual syntax/scanner level error handling should be done
   * in error fallback rules.
   *
   * @param   errorCode  the code of the errormessage to display
   */
  private void zzScanError(int errorCode) {
    String message;
    try {
      message = ZZ_ERROR_MSG[errorCode];
    }
    catch (ArrayIndexOutOfBoundsException e) {
      message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR];
    }

    throw new Error(message);
  }


  /**
   * Pushes the specified amount of characters back into the input stream.
   *
   * They will be read again by then next call of the scanning method
   *
   * @param number  the number of characters to be read again.
   *                This number must not be greater than yylength()!
   */
  public void yypushback(int number)  {
    if ( number > yylength() )
      zzScanError(ZZ_PUSHBACK_2BIG);

    zzMarkedPos -= number;
  }


  /**
   * Resumes scanning until the next regular expression is matched,
   * the end of input is encountered or an I/O-Error occurs.
   *
   * @return      the next token
   * @exception   java.io.IOException  if any I/O-Error occurs
   */
  public IElementType advance() throws java.io.IOException {
    int zzInput;
    int zzAction;

    // cached fields:
    int zzCurrentPosL;
    int zzMarkedPosL;
    int zzEndReadL = zzEndRead;
    CharSequence zzBufferL = zzBuffer;
    char[] zzBufferArrayL = zzBufferArray;
    char [] zzCMapL = ZZ_CMAP;

    int [] zzTransL = ZZ_TRANS;
    int [] zzRowMapL = ZZ_ROWMAP;
    int [] zzAttrL = ZZ_ATTRIBUTE;

    while (true) {
      zzMarkedPosL = zzMarkedPos;

      zzAction = -1;

      zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;

      zzState = ZZ_LEXSTATE[zzLexicalState];


      zzForAction: {
        while (true) {

          if (zzCurrentPosL < zzEndReadL)
            zzInput = zzBufferL.charAt(zzCurrentPosL++);
          else if (zzAtEOF) {
            zzInput = YYEOF;
            break zzForAction;
          }
          else {
            // store back cached positions
            zzCurrentPos  = zzCurrentPosL;
            zzMarkedPos   = zzMarkedPosL;
            boolean eof = zzRefill();
            // get translated positions and possibly new buffer
            zzCurrentPosL  = zzCurrentPos;
            zzMarkedPosL   = zzMarkedPos;
            zzBufferL      = zzBuffer;
            zzEndReadL     = zzEndRead;
            if (eof) {
              zzInput = YYEOF;
              break zzForAction;
            }
            else {
              zzInput = zzBufferL.charAt(zzCurrentPosL++);
            }
          }
          int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ];
          if (zzNext == -1) break zzForAction;
          zzState = zzNext;

          int zzAttributes = zzAttrL[zzState];
          if ( (zzAttributes & 1) == 1 ) {
            zzAction = zzState;
            zzMarkedPosL = zzCurrentPosL;
            if ( (zzAttributes & 8) == 8 ) break zzForAction;
          }

        }
      }

      // store back cached position
      zzMarkedPos = zzMarkedPosL;

      switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) {
        case 23:
          { return FEATURE;
          }
        case 26: break;
        case 5:
          { return LINE_COMMENT;
          }
        case 27: break;
        case 7:
          { return TAG;
          }
        case 28: break;
        case 16:
          { return CHAR_LITERAL;
          }
        case 29: break;
        case 12:
          { return TABLE_CELL;
          }
        case 30: break;
        case 15:
          { return AS;
          }
        case 31: break;
        case 2:
          { return BAD_CHARACTER;
          }
        case 32: break;
        case 25:
          { return SCENARIO;
          }
        case 33: break;
        case 22:
          { return GIVEN;
          }
        case 34: break;
        case 11:
          { return COMPOSER;
          }
        case 35: break;
        case 3:
          { return EOL;
          }
        case 36: break;
        case 6:
          { return TABLE_ROW_START;
          }
        case 37: break;
        case 21:
          { return ORDER;
          }
        case 38: break;
        case 10:
          { return STRING_LITERAL;
          }
        case 39: break;
        case 17:
          { return AND;
          }
        case 40: break;
        case 14:
          { return AN;
          }
        case 41: break;
        case 24:
          { return OUTLINE;
          }
        case 42: break;
        case 18:
          { return WANT;
          }
        case 43: break;
        case 19:
          { return WHEN;
          }
        case 44: break;
        case 1:
          { return SYMBOL;
          }
        case 45: break;
        case 20:
          { return THEN;
          }
        case 46: break;
        case 9:
          { return I;
          }
        case 47: break;
        case 8:
          { return DIGIT;
          }
        case 48: break;
        case 13:
          { return IN;
          }
        case 49: break;
        case 4:
          { return WHITESPACE;
          }
        case 50: break;
        default:
          if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
            zzAtEOF = true;
            return null;
          }
          else {
            zzScanError(ZZ_NO_MATCH);
          }
      }
    }
  }


}
